code: def pytest_addoption(parser):
      parser.addoption(
          "--test-slow",
          action="store_true",
          default=False,
          help="Run slow tests",
      )
      parser.addoption(
          "--backend",
          nargs="+",
          default=["CMDSTANPY"],
          help="Probabilistic Programming Language backend to perform tests with.",
      )
  
file_path: prophet/python/prophet/tests/conftest.py
imports: from pathlib import Path
  import pandas
  import pytest
label_desc: Use image node_id 5 for calling a global function with example usage: pytest_addoption(parser) without return types